I believe the answer is going to be A but without the underlined phrase I am not 100% sure.
We need to see the excerpt sweetie
Answer: The correct answer is false
I hope that this helps you!
A triangle is equilateral if and only if the triangle is equiangular.
<span>or: A triangle is equilateral <-> the triangle is equiangular. I hope this answer helps. Looking forward to help you again. Have a great day!</span>